Pipes and tubular conduits – With closures and plugs – Lateral opening
Patent
1990-07-03
1991-06-18
Bryant, III, James E.
Pipes and tubular conduits
With closures and plugs
Lateral opening
138155, 138156, 138164, 138167, 16361, 174 683, 174101, F16L 0922, H02G 0304, H02G 0306
Patent
active
050242512
ABSTRACT:
A oiltight lay-in wireway comprised of wireway sections with hinged covers and a joint connector between the covers of two adjacent wireway sections. The covers overlay the joint connector. The joint connector has a free floating hinge connecting it to the wireway sections, allowing the cover to provide the main compression force on the joint connector gasket. A bolt with a splined shoulder provides a grounded connection between adjacent wireway sections while still allowing the joint connector to float freely. The compression force on the joint connector is exerted by the covers which are held closed by clips on the wireway sections. An oil resilient gasket provides a seal between adjacent wireway sections, between the joint connector and wireway sections, between the cover and joint connector, and between the cover and wireway sections. Raised ends on the cover contact the joint connectors while still maintaining a seal with the wireway sections.
REFERENCES:
patent: 1352379 (1920-09-01), Pounder
patent: 2042886 (1936-06-01), Ferguson
patent: 2238530 (1941-04-01), Lickteig
patent: 2777156 (1957-01-01), Weisgarber
patent: 3570546 (1971-03-01), Jackson
patent: 3636984 (1972-01-01), Rauhauser
patent: 4037626 (1977-07-01), Robert
patent: 4077434 (1978-03-01), Sieckert et al.
patent: 4398564 (1983-08-01), Young et al.
Bryant III James E.
Golden Larry I.
Square D Company
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